---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-227280"
form_type: "8-K"
ticker: "BCSS"
cik: "0002064355"
company_name: "Bain Capital GSS Investment Corp."
filed_at: "2025-10-02T23:59:59+00:00"
generated_at: "2026-05-17T04:59:18.389033+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Bain Capital GSS Investment Corp. prices $400M IPO; 46M units at $10.00 each

## Summary
- IPO of 46,000,000 units at $10.00/unit generates $400M gross proceeds; includes full over-allotment exercise.
- Each unit comprises one Class A ordinary share and one-fifth of one redeemable warrant; units trade as 'BCSS.U' on NYSE.
- Sponsor Bain Capital GSS Sponsor LLC purchased 900,000 private placement units at $10.00/unit ($9M).
- David J. Greenwald appointed to Board effective Oct 1, 2025; serves on audit, nominations, and compensation committees.
- Citigroup Global Markets Inc. sole bookrunner; underwriter had 45-day over-allotment option for up to 6M units.

## SEC filing metadata
- accession: 0001193125-25-227280
- form_type: 8-K
- ticker: BCSS
- cik: 0002064355
- company_name: Bain Capital GSS Investment Corp.
- filed_at: 2025-10-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 3.02, 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2064355/000119312525227280/0001193125-25-227280-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2064355/000119312525227280/d54660d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-227280
- JSON: https://secwatch.observer/filing/0001193125-25-227280.json
- Plain text: https://secwatch.observer/filing/0001193125-25-227280.txt

## Key facts
- Governance Changes
  Bain Capital GSS Investment Corp.: Company adopted its Amended and Restated Memorandum and Articles of Association in connection with the IPO (effective 2025-09-29).
  - Change: charter amendment
  - Effective: 2025-09-29
  source text: On September 29, 2025 and in connection with the IPO, the Company adopted its Amended and Restated Memorandum and Articles of Association.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2064355/000119312525227280/0001193125-25-227280-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.